MAS, OMS, and PIM are the main components of any e-commerce project, working as a marketplace.
When creating the infrastructure of a large e-commerce project, one of the most critical issues is building interaction between all participants. Imagine how much data you will receive from different systems: customers' contacts, products, services, personnel, materials, and so on. All data sources must work together, and the data from these offline points of sales do not differ from the online store's data.